The organ transplant recipient, a chimera subject, who develops a neoplastic lesion may be the suitable model to reconstruct the hierarchical organization of tumors

Ietto, Giuseppe; Gritti, Mattia; Carcano, Giulio; Gasperina, Daniela Dalla

doi:10.1016/j.mehy.2022.110770

Cited by 1 publication

(1 citation statement)

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“…Studying the chimerism of tumors in transplant recipients could be extremely useful and should be advised in order to identify chimeric cells within these neoplasms. This identification could lead to findings on [ 1 ] the mechanism of migration of these chimeric cells into cancer and, particularly, what could be the triggering factor initiating this migration and [ 2 ] identify the cells that start the chimeric process which lead to migration of chimeric cells into the tumor [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

Tumors after kidney transplantation: a population study

et al. 2023

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One of the main causes of post-transplant-associated morbidity and mortality is cancer. The aims of the project were to study the neoplastic risk within the kidney transplant population and identify the determinants of this risk. A cohort of 462 renal transplant patients from 2010 to 2020 was considered. The expected incidence rates of post-transplant cancer development in the referenced population, the standardized incidence ratios (SIR) taking the Italian population as a comparison, and the absolute risk and the attributable fraction were extrapolated from these cohorts of patients. Kidney transplant recipients had an overall cancer risk of approximately three times that of the local population (SIR 2.8). A significantly increased number of cases were observed for Kaposi’s sarcoma (KS) (SIR 195) and hematological cancers (SIR 6.8). In the first 3 years post-transplant, the risk to develop either KS or hematological cancers was four times higher than in the following years; in all cases of KS, the diagnosis was within 2 years from the transplant. Post-transplant immunosuppression represents the cause of 99% of cases of KS and 85% of cases of lymphomas, while only 39% is represented by solid tumors. Data related to the incidence, the percentages attributable to post-transplant immunosuppression, and the time of onset of neoplasms, particularly for KS and hematological tumors could help improve the management for the follow-up in these patients.

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Section: Introductionmentioning

confidence: 99%